Home / 36,903.13-50,926.04-20,987.56

Finding the Fourth Proportional to 36,903.13, 50,926.04 and 20,987.56

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Solution

The fourth proportional to 36,903.13, 50,926.04 and 20,987.56 is: 28,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.13 : 50,926.04 = 20,987.56 : x
  2. Step 2: Convert to fraction form
    36,903.13/50,926.04 = 20,987.56/x
  3. Step 3: Cross multiply
    36,903.13x = 50,926.04 × 20,987.56
  4. Step 4: Simplify right side
    36,903.13x = 1,068,813,065.43
  5. Step 5: Solve for x
    x = 1,068,813,065.43/36,903.13
  6. Step 6: Final answer
    x = 28,962.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.